Dec 05 02:16:30.464 INFO checking Gregory-Meyer/spinlock-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:16:30.464 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 02:16:30.902 INFO [stdout] f66cb1df00350206b2d93143506951f5d89aca7016fcb2bd52de6031dfd778a2
Dec 05 02:16:30.904 INFO running `"docker" "start" "-a" "f66cb1df00350206b2d93143506951f5d89aca7016fcb2bd52de6031dfd778a2"`
Dec 05 02:16:33.644 INFO [stderr] usermod: no changes
Dec 05 02:16:33.759 INFO [stderr]     Checking spinlock v0.1.0 (/source)
Dec 05 02:16:34.609 INFO [stderr] warning: method is never used: `into_inner`
Dec 05 02:16:34.610 INFO [stderr]   --> src/spinlock.rs:52:5
Dec 05 02:16:34.610 INFO [stderr]    |
Dec 05 02:16:34.610 INFO [stderr] 52 |     pub fn into_inner(self) -> std::sync::LockResult<T> where T: Sized {
Dec 05 02:16:34.610 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:16:34.610 INFO [stderr]    |
Dec 05 02:16:34.610 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:16:34.610 INFO [stderr] 
Dec 05 02:16:34.610 INFO [stderr] warning: method is never used: `get_mut`
Dec 05 02:16:34.610 INFO [stderr]   --> src/spinlock.rs:80:5
Dec 05 02:16:34.610 INFO [stderr]    |
Dec 05 02:16:34.610 INFO [stderr] 80 |     pub fn get_mut(&mut self) -> std::sync::LockResult<&mut T> {
Dec 05 02:16:34.610 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:16:34.610 INFO [stderr] 
Dec 05 02:16:34.695 INFO [stderr] warning: method is never used: `into_inner`
Dec 05 02:16:34.695 INFO [stderr]   --> src/spinlock.rs:52:5
Dec 05 02:16:34.696 INFO [stderr]    |
Dec 05 02:16:34.696 INFO [stderr] 52 |     pub fn into_inner(self) -> std::sync::LockResult<T> where T: Sized {
Dec 05 02:16:34.696 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:16:34.696 INFO [stderr]    |
Dec 05 02:16:34.697 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:16:34.697 INFO [stderr] 
Dec 05 02:16:34.697 INFO [stderr] warning: method is never used: `get_mut`
Dec 05 02:16:34.697 INFO [stderr]   --> src/spinlock.rs:80:5
Dec 05 02:16:34.698 INFO [stderr]    |
Dec 05 02:16:34.698 INFO [stderr] 80 |     pub fn get_mut(&mut self) -> std::sync::LockResult<&mut T> {
Dec 05 02:16:34.698 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:16:34.698 INFO [stderr] 
Dec 05 02:16:34.715 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 05 02:16:34.717 INFO [stderr] su: No module specific data is present
Dec 05 02:16:35.827 INFO running `"docker" "inspect" "f66cb1df00350206b2d93143506951f5d89aca7016fcb2bd52de6031dfd778a2"`
Dec 05 02:16:36.157 INFO running `"docker" "rm" "-f" "f66cb1df00350206b2d93143506951f5d89aca7016fcb2bd52de6031dfd778a2"`
Dec 05 02:16:36.503 INFO [stdout] f66cb1df00350206b2d93143506951f5d89aca7016fcb2bd52de6031dfd778a2